Curtis Ross Ohlendorf (born August 8, 1982, in Austin, Texas) is a Major League Baseball starting pitcher for the Pittsburgh Pirates. He is known for his hard-biting sinker. He can hit 97 mph with a two-seam sinking fastball, and he's working to improve his developing changeup, slider, and breaking ball.

Ohlendorf was born in Austin, Texas. His family owns a Texas Longhorn ranch that Ohlendorf helps maintain. He graduated from St. Stephen's Episcopal High School in Austin in 2001 where he was a two-sport athlete, playing basketball and baseball.

Ohlendorf attended Princeton University when in 2002, as a freshman pitcher, he was named the Ivy League Rookie of the Year. Ohlendorf, a second-team All-Ivy selection, was 3rd in the League with a 3.02 ERA. He finished with a 6-2 record. Ohlendorf was one of six Ivy Leaguers on major league rosters at the beginnning of the 2009 season.